Senior Java Software Engineer

Dexian; Mississauga; On-site; CAD 100,000 - 125,000; Full time

Job summary

Dexian is seeking a Java Developer with expertise in reactive programming and microservices. The ideal candidate will work in a dynamic environment, focusing on high-performance systems using Java 17+, Spring, and Kafka. This role offers a chance to contribute to cutting-edge projects in IT services and consulting.

Qualifications

• Experience with Java 17+, Spring, and microservices.
• Strong understanding of MongoDB, Oracle, and Kafka.
• Familiarity with CI/CD processes using Jenkins.

Responsibilities

• Design and develop scalable microservices using Java.
• Integrate services with Kafka for real-time data streaming.
• Collaborate with DevOps for CI/CD automation.

Skills

Core Java

Spring WebFlux

Microservices development

Kafka

MongoDB

Oracle

CI/CD

Tools

Docker

Job description

Direct message the job poster from Dexian

Technical Recruiter @ Dexian | Java, DB2, SQL, Angular, React | ETL, Hadoop, Python, Teradata | Python, PySpark, Quartz | .NET, C#, Angular, React

Job Requirement Overview:

Duration: Contract

Job Summary:

We are seeking a Java Developer with a strong foundation in Reactive Programming and hands-on experience with Spring, Kafka, and Microservices Architecture. The ideal candidate will also bring a solid understanding of MongoDB, Oracle, and modern Java (preferably Java 17, with an eye towards Java 21). This is a great opportunity to work in a forward-thinking environment with continuous integration/deployment processes and high-performance distributed systems.

Key Responsibilities:

• Design and develop scalable and high-performing microservices using Java (17/21) and Spring.
• Work with reactive programming paradigms to build asynchronous, non-blocking applications.
• Integrate services with Kafka for messaging and real-time data streaming.
• Manage and interact with MongoDB and Oracle databases efficiently.
• Collaborate with DevOps teams using Jenkins for CI/CD and deployment automation.
• Participate in architecture discussions and provide input on best practices, particularly in a cloud-native environment.
• Troubleshoot production issues and contribute to the reliability and scalability of backend services.
• Work collaboratively with team members and participate in code reviews, technical planning, and high-level design.
• In Java, reactive programming is often implemented using libraries such as Reactive Streams, Project Reactor, and RxJava, which provide APIs for writing reactive code.

Required Skills:

• Strong Core Java (Java 17+ preferred, exposure to Java 21 a plus)
• Spring WebFlux/ Project Reactor or any other framework used for Reactive Programming.
• Microservices design and development
• Messaging systems like Kafka
• Experience with MongoDB and Oracle
• CI/CD tools like Jenkins, Docker

Interview Process:

• Round 1 (Zoom, 1 hour): Technical deep dive with Engineering Leads.
• Round 2 (Onsite, 1 hour 30 min): Team fit and high-level architecture discussion

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Finance and Information Technology

• Industries

  IT Services and IT Consulting, Banking, and Software Development

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